Sony Vaio VPC-CW290X=4=MBX-226-HM55.zip

TXTAbout Sony Vaio VPC-CW290X 4 MBX-226-HM55 BIOS / EC firmware

Sony Vaio VPC-CW290X 4 MBX-226-HM55 is a Sony VPC-CW290X / MBX-226-HM55 BIOS / EC firmware dump. It is packed in a ZIP archive of 1.1 MB. It was first posted on 24 Dec 2017 and is available in 1 Telegram channel.

Write it with an SPI programmer such as CH341A, RT809H or XGecu T48 to revive a board after a failed BIOS update, fix a corrupted Intel ME region or remove a forgotten BIOS password. Read and save the original chip first, and check that your board is VPC-CW290X.

J1Download VPC-CW290X BIOS / EC firmware from Telegram

R1How to download Sony Vaio VPC-CW290X 4 MBX-226-HM55

1. Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
2. You don’t need to join the channel. Tap the file Sony Vaio VPC-CW290X=4=MBX-226-HM55.zip to download it.
3. Open it with Built into Windows and macOS or 7-Zip (free).

If a post was deleted, try another source above or search for VPC-CW290X. Step-by-step help: downloading from Telegram.

Back up the original chip twice before writing this dump, and check that the board number and chip size match. See how to flash a BIOS chip.

.ZIPWhat is a .zip file and how to open it?